3338521 has 4 divisors (see below), whose sum is σ = 3342544. Its totient is φ = 3334500.

The previous prime is 3338513. The next prime is 3338527. The reversal of 3338521 is 1258333.

3338521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3338521 - 2³ = 3338513 is a prime.

It is a super-2 number, since 2×3338521² = 22291444934882, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3338527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255 + ... + 2596.

It is an arithmetic number, because the mean of its divisors is an integer number (835636).

Almost surely, 2^3338521 is an apocalyptic number.

It is an amenable number.

3338521 is a deficient number, since it is larger than the sum of its proper divisors (4023).

3338521 is a wasteful number, since it uses less digits than its factorization.

3338521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022.

The product of its digits is 2160, while the sum is 25.

The square root of 3338521 is about 1827.1620070481. The cubic root of 3338521 is about 149.4576114990.

The spelling of 3338521 in words is "three million, three hundred thirty-eight thousand, five hundred twenty-one".